Eruption amp settings — Fender Blues Junior IV
The Van Halen guitar tone for “Eruption”, dialed in for a Fender Blues Junior IV with a Fender Player Stratocaster. Studio version, Van Halen (1978)
1968 Marshall 1959 Super Lead (Variac down to ~90V, all knobs cranked) + Frankenstrat (Gibson PAF bridge humbucker) + MXR Phase 90 + Maestro Echoplex EP-3 + Univox EC-80A + Sunset Sound plate reverb
| Knob | Setting (0–10) |
|---|---|
| Gain | 10 |
| Bass | 5 |
| Mid | 9 |
| Treble | 5 |
| Reverb | 4 |
| Master | 4 |
01MXR Phase 90
RECOMMENDED — not currently owned; place before drive for the signature slow sweep on tapping runs
02Marshall-style Overdrive / Distortion (MI Audio Crunch Box or Boss DS-1)
RECOMMENDED — not currently owned; essential to deliver authentic high-gain Marshall compression into a Fender clean platform
The Blues Junior IV lacks a Marshall's cascading high-gain structure, so engage the Fat boost, max out the Volume (gain), and push Mids to 9 to simulate the Brown Sound midrange hump. To counter the naturally thin, glassy high end of a single-coil Strat bridge pickup through Fender's bright 6kHz shelf, Treble is cut to 5 and the guitar tone knob rolled back to 8. A dedicated high-gain MIAB overdrive pedal is strongly recommended to achieve the full saturation and sustain heard on the record.
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These settings are for a Fender Blues Junior IV. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.
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